From 6219545f9763d4d336c0afd7f5663c8e3daa012e Mon Sep 17 00:00:00 2001
From: Marc Abramowitz <@msabramo>
Date: Mon, 14 Sep 2015 22:27:53 -0700
Subject: [PATCH] README.md: Mention tox

---
 README.md | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 2762fe5..83be7e1 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,12 @@ Development
 
 contextlib2 currently has no dependencies.
 
-Local testing is currently just a matter of running "python test_contextlib2.py"
+Local testing is currently just a matter of running `python test_contextlib2.py`.
+
+You can test against multiple versions of Python with [tox](http://tox.testrun.org/)):
+
+    pip install tox
+    tox
 
 Continuous integration
 ----------------------